Rank: 957 based on 161 downloads (last 30 days) and 1 file submitted
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Mark Tincknell

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MIT Lincoln Laboratory
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22 Nov 2013 Screenshot quaternion.m quaternion class, vectorized, converts among rotation representations, numerical Euler propagation Author: Mark Tincknell quaternion, rotation, euler, aerospace, mathematics, robotics 161 7
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16 Aug 2014 quaternion.m quaternion class, vectorized, converts among rotation representations, numerical Euler propagation Author: Mark Tincknell Amy

I'd like to commend you for a powerful set of scripts. I learned a lot by running the demo and changing the parameters. Great contribution.
Is there a way for me to use your code to simulate a wobbling rigid body? I think about the out-of-balance case like an unbalanced tire rotating in space.

04 Jul 2014 quaternion.m quaternion class, vectorized, converts among rotation representations, numerical Euler propagation Author: Mark Tincknell Rody Oldenhuis

09 Apr 2014 quaternion.m quaternion class, vectorized, converts among rotation representations, numerical Euler propagation Author: Mark Tincknell spencer

Are the euler angles defined as "body-fixed" or "world-fixed"?

29 Oct 2013 quaternion.m quaternion class, vectorized, converts among rotation representations, numerical Euler propagation Author: Mark Tincknell Windo

This is great stuff. Concise and functional. However, I have a problem with function 'unitvector'. It is used in several places in the code but it is nowhere to be seen. Here's an example error message when trying to use 'OmegaAxis':

1492 [axis, omega] = unitvector( omegav, 1 );
Undefined function 'unitvector' for input arguments of type 'double'.

Error in quaternion/OmegaAxis (line 1492)
[axis, omega] = unitvector( omegav, 1 );

25 Jul 2013 quaternion.m quaternion class, vectorized, converts among rotation representations, numerical Euler propagation Author: Mark Tincknell Felix

Thank you for your nice work.

When i use the function "interp1", MATLAB warns the function "isrow" undefined. Is this a bug?

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